Some Error

01

E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).

 sudo aptitude -f install

02

fatal error: stdio.h: No such file or directory

 sudo apt-get install libc6-dev

 sudo apt-get install linux-headers-generic

03

Python.h: No such file or directory

 sudo apt-get install python-dev  # for python2.x installs
 sudo apt-get install python3-dev  # for python3.x installs

04

No module named flask.ext.wtf

flask/bin/pip install flask-login
flask/bin/pip install flask-openid
flask/bin/pip install flask-mail
flask/bin/pip install sqlalchemy
flask/bin/pip install flask-sqlalchemy
flask/bin/pip install sqlalchemy-migrate
flask/bin/pip install flask-whooshalchemy==.55a
flask/bin/pip install flask-wtf
flask/bin/pip install pytz
flask/bin/pip install flask-babel
flask/bin/pip install flup

05

Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.bat)

download&install
http://www.microsoft.com/en-us/download/confirmation.aspx?id=44266

06

 _mysql.c(34) : Fatal error C1083: Cannot open include file: 'config-win.h': No such file or directory

url     :http://www.lfd.uci.edu/~gohlke/pythonlibs/#mysql-python
dowload :natgrid‑0.2.‑cp27‑cp27m‑win_amd64.whl
C:\>wheel install natgrid‑0.2.‑cp27‑cp27m‑win_amd64.whl

07

Yum: No package mysql-server available in Cent OS 7

# yum install mysql mysql-server mysql-libs mysql-server

08

-m32  /usr/include/features.h:367:25: fatal error: sys/cdefs.h: No such file

$ sudo apt-get update

$ sudo apt-get install lib32z1 libc6-dev-i386

$ sudo apt-get install lib32readline-gplv2-dev

09

The following signatures were invalid: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository <devel@kali.org>

# wget https://http.kali.org/kali/pool/main/k/kali-archive-keyring/kali-archive-keyring_2018.1_all.deb
# apt install ./kali-archive-keyring_2018.1_all.deb